220875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 32

約数和(自身を含む): 399360

約数和(自身を除く): 178485

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 125, 155, 285, 375, 465, 475, 589, 775, 1425, 1767, 2325, 2375, 2945, 3875, 7125, 8835, 11625, 14725, 44175, 73625, 220875]

約数ペア:

[(1, 220875), (3, 73625), (5, 44175), (15, 14725), (19, 11625), (25, 8835), (31, 7125), (57, 3875), (75, 2945), (93, 2375), (95, 2325), (125, 1767), (155, 1425), (285, 775), (375, 589), (465, 475)]